{
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\begin{tabular}{l*{3}{c}}
\toprule
                    &\multicolumn{1}{c}{(1)}&\multicolumn{1}{c}{(2)}&\multicolumn{1}{c}{(3)}\\
                    &\multicolumn{1}{c}{Log Contract Workers}&\multicolumn{1}{c}{Log Regular Workers}&\multicolumn{1}{c}{Frac. Contract Workers}\\
\midrule \multicolumn{4}{l}{\textit{\textbf{Panel A: Impact on Core Activities}}} \\ \midrule
Post X Treat        &       -0.41***&        0.14***&       -0.03***\\
                    &      (0.05)   &      (0.03)   &      (0.00)   \\
\midrule
R2                  &        0.79   &        0.85   &        0.81   \\


\midrule \multicolumn{3}{l}{\textit{\textbf{Panel B: Impact on Non-Core Activities}}} \\ \midrule
Post X Treat        &       -0.01   &       -0.09***&        0.00   \\
                    &      (0.01)   &      (0.03)   &      (0.00)   \\
\midrule
R2                  &        0.61   &        0.80   &        0.62   \\
N                   &      165676   &      165676   &      165676   \\
\bottomrule
\end{tabular}
}
